Occupational Therapists Act Article 48

The organizational areas of occupational therapist’s associations shall correspond to the existing administrative districts. There shall be no more than one association of the same level within the same district.
中文原文 職能治療師法第48條
職能治療師公會之區域,依現有之行政區域;在同一區域內,同級之公會以一個為限。

English translation for reference only; the Chinese text prevails. Not legal advice.